Preface
This is the fourth edition of CSA C22.2 No. 33, Electrical safety requirements for cranes and hoists, one of a series of Standards issued by CSA Group under Part II of the Canadian Electrical Code. It supersedes the previous edition published in 1984 under the title Construction and test of electric cranes and hoists.
This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.
Scope
1.1
This Standard applies to all types of electric cranes, including electric overhead travelling cranes, and hoists for vertical lifting and lowering of freely suspended load for voltages of 750 V and less between conductors. The equipment specified in this Standard is intended for installation in accordance with CSA C22.1, Canadian Electrical Code, Part I.
Note: Examples of electric overhead traveling cranes are
a) single and double girder;
b) gantry;
c) semi-gantry;
d) portal cranes,
e) jib cranes;
f) monorail systems;
g) hoists; and
h) trolley.
1.2
This Standard applies to the following cranes and hoists electrification systems:
a) bare non-rigid and rigid contact conductors, collector shoes and wheels, and associated fittings; and
b) insulated conductor bar assemblies, collector trolley assemblies, and associated fittings (such as splices, power feeds, hangers, end caps, and similar).
1.3
This Standard applies to equipment for general industrial and commercial application, in nonhazardous locations for indoor and outdoor locations.
1.4
This Standard applies to equipment for installation in an ambient temperature not exceeding 40 °C.
1.5
This Standard applies to wireless control equipment used in conjunction with electric cranes and hoists.
1.6
This Standard does not apply to
a) elevators;
b) dumbwaiters;
c) stairway hoists;
d) tower cranes;
e) manually operated chain driven cranes;
f) mobile cranes;
g) draglines;
h) mine hoists;
i) guided loads;
j) below the hook attachments; and
k) construction cranes and hoists.
1.7
In this Standard, shall is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; should is used to express a recommendation or that which is advised but not required; and may is used to express an option or that which is permissible within the limits of the Standard.
Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.
Notes to tables and figures are considered part of the table or figure and may be written as requirements.
Annexes are designated normative (mandatory) or informative (nonmandatory) to define their application.
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